Please remember that this is beta software. It contains known bugs and incomplete functionality. We do not recommend running beta software in a production environment, and support is limited at this time to questions here on the community forums.

If you choose to run beta software, it is your responsibility to ensure that you make a backup of your data. We recommend you do this before attempting an upgrade.

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A new JavaScript routine allows you to select the appropriate prefixes for the destination forum for your posts or threads, loading up the correct collection of prefixes when you change the destination.

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If you have defined a cache in your config file, using memcached, APC, the file cache or any of the other options, XenForo will now store its visitor session data in that cache rather than the database, saving two queries per page. On a busy site, this can be a huge performance boost.

Note if you want to be sure this is enabled after beta 4 as well, add this line to library/config.php: